Waterspouts can be both beautiful and dangerous. They can over turn boats, damage large ships, and can put lives in jeopardy. If you spot one, have extreme caution cause they can damage you and your boat. If your on land, get as far away from the shore as possible. A few intense spouts have caused deaths when they've moved inland over populated areas. And they certainly constitute a threat to small boats. However, there are authentic cases of a large being destroyed by a waterspout.
Rare waterspout off Australia